+++ /dev/null
-/*
- * Copyright (c) 2009, Sun Microsystems, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * - Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * - Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * - Neither the name of Sun Microsystems, Inc. nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-//#include <sys/cdefs.h>
-
-/*
- * auth_unix.c, Implements UNIX style authentication parameters.
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- *
- * The system is very weak. The client uses no encryption for it's
- * credentials and only sends null verifiers. The server sends backs
- * null verifiers or optionally a verifier that suggests a new short hand
- * for the credentials.
- *
- */
-
-/* NFSv4.1 client for Windows
- * Copyright © 2012 The Regents of the University of Michigan
- *
- * Olga Kornievskaia <aglo@umich.edu>
- * Casey Bodley <cbodley@umich.edu>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or (at
- * your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * without any warranty; without even the implied warranty of merchantability
- * or fitness for a particular purpose. See the GNU Lesser General Public
- * License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- */
-
-#include <wintirpc.h>
-//#include <pthread.h>
-#include <reentrant.h>
-//#include <sys/param.h>
-
-#include <assert.h>
-//#include <err.h>
-#include <stdio.h>
-#include <stdlib.h>
-//#include <unistd.h>
-#include <string.h>
-
-#include <rpc/types.h>
-#include <rpc/xdr.h>
-#include <rpc/auth.h>
-#include <rpc/auth_unix.h>
-
-/* auth_unix.c */
-static void authunix_nextverf (AUTH *);
-static bool_t authunix_marshal (AUTH *, XDR *, u_int *seq);
-static bool_t authunix_validate (AUTH *, struct opaque_auth *, u_int);
-static bool_t authunix_refresh (AUTH *, void *);
-static void authunix_destroy (AUTH *);
-static void marshal_new_auth (AUTH *);
-static struct auth_ops *authunix_ops (void);
-
-/*
- * This struct is pointed to by the ah_private field of an auth_handle.
- */
-struct audata {
- struct opaque_auth au_origcred; /* original credentials */
- struct opaque_auth au_shcred; /* short hand cred */
- u_long au_shfaults; /* short hand cache faults */
- char au_marshed[MAX_AUTH_BYTES];
- u_int au_mpos; /* xdr pos at end of marshed */
-};
-#define AUTH_PRIVATE(auth) ((struct audata *)auth->ah_private)
-
-/*
- * Create a unix style authenticator.
- * Returns an auth handle with the given stuff in it.
- */
-AUTH *
-authunix_create(machname, uid, gid, len, aup_gids)
- char *machname;
- uid_t uid;
- gid_t gid;
- int len;
- gid_t *aup_gids;
-{
- struct authunix_parms aup;
- char mymem[MAX_AUTH_BYTES];
- struct timeval now;
- XDR xdrs;
- AUTH *auth;
- struct audata *au;
-
- /*
- * Allocate and set up auth handle
- */
- au = NULL;
- auth = mem_alloc(sizeof(*auth));
-#ifndef _KERNEL
- if (auth == NULL) {
- // XXX warnx("authunix_create: out of memory");
- goto cleanup_authunix_create;
- }
-#endif
- au = mem_alloc(sizeof(*au));
-#ifndef _KERNEL
- if (au == NULL) {
- // XXX warnx("authunix_create: out of memory");
- goto cleanup_authunix_create;
- }
-#endif
- auth->ah_ops = authunix_ops();
- auth->ah_private = (caddr_t)au;
- auth->ah_verf = au->au_shcred = _null_auth;
- au->au_shfaults = 0;
- au->au_origcred.oa_base = NULL;
-
- /*
- * fill in param struct from the given params
- */
- (void)gettimeofday(&now, NULL);
- aup.aup_time = now.tv_sec;
- aup.aup_machname = machname;
- aup.aup_uid = uid;
- aup.aup_gid = gid;
- aup.aup_len = (u_int)len;
- aup.aup_gids = aup_gids;
-
- /*
- * Serialize the parameters into origcred
- */
- xdrmem_create(&xdrs, mymem, MAX_AUTH_BYTES, XDR_ENCODE);
- if (! xdr_authunix_parms(&xdrs, &aup))
- abort();
- au->au_origcred.oa_length = len = XDR_GETPOS(&xdrs);
- au->au_origcred.oa_flavor = AUTH_UNIX;
-#ifdef _KERNEL
- au->au_origcred.oa_base = mem_alloc((u_int) len);
-#else
- if ((au->au_origcred.oa_base = mem_alloc((u_int) len)) == NULL) {
- // XXX warnx("authunix_create: out of memory");
- goto cleanup_authunix_create;
- }
-#endif
- memmove(au->au_origcred.oa_base, mymem, (size_t)len);
-
- /*
- * set auth handle to reflect new cred.
- */
- auth->ah_cred = au->au_origcred;
- marshal_new_auth(auth);
- return (auth);
-#ifndef _KERNEL
- cleanup_authunix_create:
- if (auth)
- mem_free(auth, sizeof(*auth));
- if (au) {
- if (au->au_origcred.oa_base)
- mem_free(au->au_origcred.oa_base, (u_int)len);
- mem_free(au, sizeof(*au));
- }
- return (NULL);
-#endif
-}
-
-/*
- * Returns an auth handle with parameters determined by doing lots of
- * syscalls.
- */
-AUTH *
-authunix_create_default()
-{
- int len;
- char machname[MAXHOSTNAMELEN + 1];
- uid_t uid;
- gid_t gid;
- gid_t gids[NGRPS];
-
- if (gethostname(machname, sizeof machname) == -1)
- abort();
- machname[sizeof(machname) - 1] = 0;
-#if 0
- uid = geteuid();
- gid = getegid();
- if ((len = getgroups(NGRPS, gids)) < 0)
- abort();
-#else
- // XXX Need to figure out what to do here!
- uid = 666;
- gid = 777;
- gids[0] = 0;
- len = 0;
-#endif
- /* XXX: interface problem; those should all have been unsigned */
- return (authunix_create(machname, uid, gid, len, gids));
-}
-
-/*
- * authunix operations
- */
-
-/* ARGSUSED */
-static void
-authunix_nextverf(auth)
- AUTH *auth;
-{
- /* no action necessary */
-}
-
-static bool_t
-authunix_marshal(auth, xdrs, seq)
- AUTH *auth;
- XDR *xdrs;
- u_int *seq;
-{
- struct audata *au;
-
- assert(auth != NULL);
- assert(xdrs != NULL);
-
- au = AUTH_PRIVATE(auth);
- return (XDR_PUTBYTES(xdrs, au->au_marshed, au->au_mpos));
-}
-
-static bool_t
-authunix_validate(auth, verf, seq)
- AUTH *auth;
- struct opaque_auth *verf;
- u_int seq;
-{
- struct audata *au;
- XDR xdrs;
-
- assert(auth != NULL);
- assert(verf != NULL);
-
- if (verf->oa_flavor == AUTH_SHORT) {
- au = AUTH_PRIVATE(auth);
- xdrmem_create(&xdrs, verf->oa_base, verf->oa_length,
- XDR_DECODE);
-
- if (au->au_shcred.oa_base != NULL) {
- mem_free(au->au_shcred.oa_base,
- au->au_shcred.oa_length);
- au->au_shcred.oa_base = NULL;
- }
- if (xdr_opaque_auth(&xdrs, &au->au_shcred)) {
- auth->ah_cred = au->au_shcred;
- } else {
- xdrs.x_op = XDR_FREE;
- (void)xdr_opaque_auth(&xdrs, &au->au_shcred);
- au->au_shcred.oa_base = NULL;
- auth->ah_cred = au->au_origcred;
- }
- marshal_new_auth(auth);
- }
- return (TRUE);
-}
-
-static bool_t
-authunix_refresh(AUTH *auth, void *dummy)
-{
- struct audata *au = AUTH_PRIVATE(auth);
- struct authunix_parms aup;
- struct timeval now;
- XDR xdrs;
- int stat;
-
- assert(auth != NULL);
-
- if (auth->ah_cred.oa_base == au->au_origcred.oa_base) {
- /* there is no hope. Punt */
- return (FALSE);
- }
- au->au_shfaults ++;
-
- /* first deserialize the creds back into a struct authunix_parms */
- aup.aup_machname = NULL;
- aup.aup_gids = NULL;
- xdrmem_create(&xdrs, au->au_origcred.oa_base,
- au->au_origcred.oa_length, XDR_DECODE);
- stat = xdr_authunix_parms(&xdrs, &aup);
- if (! stat)
- goto done;
-
- /* update the time and serialize in place */
- (void)gettimeofday(&now, NULL);
- aup.aup_time = now.tv_sec;
- xdrs.x_op = XDR_ENCODE;
- XDR_SETPOS(&xdrs, 0);
- stat = xdr_authunix_parms(&xdrs, &aup);
- if (! stat)
- goto done;
- auth->ah_cred = au->au_origcred;
- marshal_new_auth(auth);
-done:
- /* free the struct authunix_parms created by deserializing */
- xdrs.x_op = XDR_FREE;
- (void)xdr_authunix_parms(&xdrs, &aup);
- XDR_DESTROY(&xdrs);
- return (stat);
-}
-
-static void
-authunix_destroy(auth)
- AUTH *auth;
-{
- struct audata *au;
-
- assert(auth != NULL);
-
- au = AUTH_PRIVATE(auth);
- mem_free(au->au_origcred.oa_base, au->au_origcred.oa_length);
-
- if (au->au_shcred.oa_base != NULL)
- mem_free(au->au_shcred.oa_base, au->au_shcred.oa_length);
-
- mem_free(auth->ah_private, sizeof(struct audata));
-
- if (auth->ah_verf.oa_base != NULL)
- mem_free(auth->ah_verf.oa_base, auth->ah_verf.oa_length);
-
- mem_free(auth, sizeof(*auth));
-}
-
-/*
- * Marshals (pre-serializes) an auth struct.
- * sets private data, au_marshed and au_mpos
- */
-static void
-marshal_new_auth(auth)
- AUTH *auth;
-{
- XDR xdr_stream;
- XDR *xdrs = &xdr_stream;
- struct audata *au;
-
- assert(auth != NULL);
-
- au = AUTH_PRIVATE(auth);
- xdrmem_create(xdrs, au->au_marshed, MAX_AUTH_BYTES, XDR_ENCODE);
- if ((! xdr_opaque_auth(xdrs, &(auth->ah_cred))) ||
- (! xdr_opaque_auth(xdrs, &(auth->ah_verf))))
- assert(0); // XXX
- // XXX warnx("auth_none.c - Fatal marshalling problem");
- else
- au->au_mpos = XDR_GETPOS(xdrs);
- XDR_DESTROY(xdrs);
-}
-
-static bool_t
-#ifndef __REACTOS__
-authunix_wrap(AUTH *auth, XDR *xdrs, xdrproc_t func, caddr_t args, u_int seq)
-#else
-authunix_wrap(AUTH *auth, XDR *xdrs, xdrproc_t func, caddr_t args)
-#endif
-{
- return ((*func)(xdrs, args));
-}
-#ifdef __REACTOS__
-static bool_t
-authunix_unwrap(AUTH *auth, XDR *xdrs, xdrproc_t func, caddr_t args, u_int seq)
-{
- return ((*func)(xdrs, args));
-}
-#endif
-
-static struct auth_ops *
-authunix_ops()
-{
- static struct auth_ops ops;
- extern mutex_t ops_lock;
-
- /* VARIABLES PROTECTED BY ops_lock: ops */
-
- mutex_lock(&ops_lock);
- if (ops.ah_nextverf == NULL) {
- ops.ah_nextverf = authunix_nextverf;
- ops.ah_marshal = authunix_marshal;
- ops.ah_validate = authunix_validate;
- ops.ah_refresh = authunix_refresh;
- ops.ah_destroy = authunix_destroy;
- ops.ah_wrap = authunix_wrap;
-#ifndef __REACTOS__
- ops.ah_unwrap = authunix_wrap;
-#else
- ops.ah_unwrap = authunix_unwrap;
-#endif
- }
- mutex_unlock(&ops_lock);
- return (&ops);
-}
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